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Proceedings of the
Yorkshire Geological Society
BOREHOLE 81/41
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SPARKER 1 KJ LINE 37
sea bed
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V O L U M E 4 6 P A R T 2 1 9 8 7
Yorkshire Geological Society FOUNDED 1 8 3 7
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C O U N C I L Elected 13th December, 1986
President Dr A. A. WILSON
Vice-Presidents Mr P. DAVISON Dr D. B. SMITH
General Secretary Mr J. M. NUNWICK
45 Boroughbridge Road, Northallerton DL7 8BG
General Treasurer Mr L. B. EAGLE
22 Moorfield Road, Ilkley, West Yorks. LS29 8BL
Editor Dr R. W. O'B. KNOX
British Geological Survey, Keyworth, Notts. NG12 5GG
Librarian Mr T. F. JOHNSTON
Department of Earth Sciences, The University, Leeds LS2 9JT
Dr N. S.ANGUS Mr A. C. BENFIELD Dr A. C. COOPER Dr B.N.FLETCHER DrP. R.INESON
Other Members Dr D. M. MACMAHON Mr M. MITCHELL Mr R. OSBORN Mr T. H. PETTIGREW Mr A. G. SHORT
Dr D. SKEVINGTON Mr P. STAINTHORPE (Asst Treas.) Dr M. A. WHYTE (Asst Sec.) Mr B.YOUNG
Assistant Editors DrP. R.INESON DrP. W.SCOTT DrN.J.SOPER Dr J. E. POLLARD Dr J. R. SENIOR Dr R. K. TAYLOR Dr P. F. RAWSON Dr D. B. SMITH
Annual Subscription Ordinary Members £10.00 Students Members £5.00 Institutional Members £25.00 Associate Members £2.50
Forms of application and other information obtainable from the General Secretary.
Cover photograph: North-south seismic profile through the site of Borehole 81/41, southern North Sea. See Cox etal. p. 107.
PROCEEDINGS OF THE
YORKSHIRE GEOLOGICAL SOCIETY
Volume 46
ISSN 0044-0604
Printed for the Yorkshire Geological Society by ARTHUR WIGLEY & SONS LTD., CANAL ROAD, BRADFORD
PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY
C O N T E N T S O F V O L U M E 46
page
A H M E D , S. T .
Oxfordian and Lower Kimmeridgian ostracods from the South Ferriby Quarry, South Humberside . 267
ALLSOP, J . M .
Patterns of late Caledonian intrusive activity in eastern and northern England from geophysics, radiometric
dating and basement geology 335
ALLSOP, J. M. see Chroston, P. N., Allsop, J. M. and Cornwell, J. D.
ALLSOP, J. M. see Evans, C. J. and Allsop, J. M.
BANCROFT, A. J.
The Carboniferous cystoporate bryozoan Eridopora macrostoma Ulrich from the north of England . 23
BECKINSALE, R. D. see Pharaoh, T. C , Merriman, R. J., Webb, P. C , and Beckinsale, R. D.
BRIDGES, T . F.
Serpierite and devilline from the Northern Pennine Orefield (Short Communication) 169
B R I D G E S , T . F see Young, B., Bridges, T. F. and Ineson, P. R.
BRANNEY, M . J .
The Stockdale (Yarlside) Rhyolite — a rheomorphic rhyolite? Discussion 80 BRUNTON, C. H. C. and MUNDY, D. J. C. Some Dinantian chonopectinid productaceans (Brachiopoda) from the British Isles 1 CHROSTON, P. N., ALLSOP, J . M. and CORNWELL, J. D.
New seismic refraction evidence on the origin of the Bouguer anomaly low near Hunstanton, Norfolk . 311
COOPER, C. see Rock, N. M . S., Cooper, C. and Gaskarth, J. W.
CORNWELL, J. D. see Chroston, P. N., Allsop, J. M. and Cornwell, J. D.
Cox, B. M., LOTT, G. K., THOMAS, J. E. and WILKINSON, I. P.
Upper Jurassic stratigraphy of four shallow cored boreholes in the U.K. sector of the southern North Sea 97
DAGGER, G. W. see Harris, P. & Dagger, G. W.
DICKSON, J. A. D . , F O R D , T . D. & SWIFT, A.
Thestratigraphy of the Carboniferous rocks around Castleton, Isle of Man . 203 EVANS, C. J. & ALLSOP, J. M. Some geophysical aspects of the deep geology of eastern England 321 FLETCHER, B. N. see Lott, G. K., Fletcher, B. N. & Wilkinson, I. P.
PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY
CONTENTS OF VOLUME 46 (continued) page
FORD, T. D. see Dickson, J. A. D., Ford, T. D. & Swift, A.
FORTEY, N. J., see Young, B., Fortey, N. J. & Nancarrow, P. H. A.
GASKARTH, J. W. see Rock, N. M. S., Cooper, C. & Gaskarth, J. W.
HARRIS, P. & DAGGER, G. W.
The intrusion of the Carrock Fell Gabbro Series (Cumbria) as a sub-horizontal tabular body . . . . 371
INESON, P. R. see Young, B., Bridges, T. F. & Ineson, P. R.
IXER, R. A. & STANLEY, C. J .
A silver-nickel-cobalt mineral association at Tynebottom Mine, Garrigill, near Alston, Cumbria . . 133
KlMYONGUR, M. see Scott, P. W., Kimyongur, M. & Middleton, R.
KIRBY, G. A. & SWALLOW, P. W .
Tectonism and sedimentation in the Flamborough Head region of north-east Yorkshire 301
LAWRENCE, D. J. D. see Millward, D. & Lawrence, D. J. D.
LOTT, G. K., FLETCHER, B. N. & WILKINSON, I. P.
The stratigraphy of the Lower Cretaceous Speeton Clay Formation in a cored borehole off the coast of north-east England 39 LOTT, G. K. see Cox, B. M., Lott, G. K., Thomas, J. E. & Wilkinson, I. P.
MERRIMAN, R. J. see Pharaoh, T. C , Merriman, R. J., Webb, P. C. & Beckinsale, R. D.
MIDDLETON, R. see Scott, P. W., Kimyongur, M. & Middleton, R.
MILLWARD, D . & LAWRENCE, D . J . D . The Stockdale (Yarlside) Rhyolite — a rheomorphic ignimbrite? Reply 81
MOTTRAM, H . B. Geochemistry & tectonic significance of the Lower Carboniferous Cockermouth lavas, Cumbria. Discussion 82
MITCHELL, M . , STRANK, A. R. E., THORNBURY,B. M . & SEVASTOPULO, G. D . The distribution of platform conodonts, corals and foraminifera from the Black Rock Limestone (late Tournaisian and early Visean) of Tears Point, Gower, South Wales 11
MITCHELL, M. see Somerville, I . D . , Mitchell, M. & Strank, A. R . E.
MUNDY, D . J. C. see Brunton, C. H. C. & Mundy, D . J. C.
NANCARROW, P. H. A. see Young, B., Fortey, N. J. & Nancarrow, P. H. A.
NOEL, M. The magnetostratigraphy of cave sediments in Masson Hill, Derbyshire 193
NUDDS, J. R. & SOMERVILLE, I. D. Two new species of Siphonodendron (Rugosa) from the Visean of the British Isles 293
PATTISON, J . & WILLIAMSON, I. T. The saltern mounds of north-east Lincolnshire (Short Communication) 77
ii
PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY
C O N T E N T S O F V O L U M E 46 (continued) page
PEDLEY, H. M . The Handrian (Quaternary) Caerwys Tufa, North Wales: an ancient barrage tufa deposit . . . . 141
PHARAOH, T. C., MERRIMAN, R . J., WEBB, P. C. & BECKINSALE, R . D.
The concealed Caledonides of eastern England: preliminary results of a multidisciplinary study . . . 355
RIDING, J. B.
Dinoflagellate cyst stratigraphy of the Nettleton Bottom Borehole (Jurassic: Hettangian to Kimmeridgian), Lincolnshire, England 231 R O C K . N . M . S., COOPER, C. & GASKARTH, J. W . Late Caledonian subvolcanic vents and associated dykes in the Kirkudbright area, Galloway, south-west Scotland 29
ROMANO, M . & WHYTE, M . A . A limulid trace fossil from the Scarborough Formation (Jurassic) of Yorkshire; its occurrence, taxonomy and interpretation 85
SCOTT, P. W., KIMYONGUR, M . & MIDDLETON, R . The mineralogy and petrology of the 'Coprolite Bed' phosphorite deposit (Lower Cretaceous) at Speeton,
North Yorkshire 123
SELDEN, P. A. see Siveter, D. J. & Selden, P. A.
SEVASTOPULO, G. D. see Mitchell, M., Strank, A. R . E., Thombury, B. M. & Sevastopulo, G. D.
SIVETER, D. J. & SELDEN, P. A.
A new, giant xiphosurid from the lower Namurian of Weardale, County Durham 153 SOMERVILLE, I. D. , MITCHELL, M. & STRANK, A. R . E.
An Arundian fauna from the Dyserth area, North Wales and its correlation within the British Isles . . 57
SOMERVILLE, I. D. see Nudds, J. R . & Somerville, I. D.
SOPER, N. J., W E B B , B. C. & WOODCOCK, N. H.
Late Caledonian (Acadian) transpression in north-west England: timing, geometry and geotectonic significance 175 STANLEY, C. J. see Ixer, R . A. & Stanley, C. J.
STARKEY, R . E. Duftite from the Northern Pennine Orefield (Short Communication) 289
STRANK, A. R . E. see Mitchell, M., Strank, A. R . E., Thornbury, B. M. & Sevastopulo, G. D.
STRANK, A. R . E. see Somerville, I . D., Mitchell, M. & Strank, A, R . E.
SWALLOW, P. W. see Kirby, G. A. & Swallow, P. W.
SWIFT, A. see Dickson, J . A. D., Ford, T. D. & Swift, A.
THOMAS, J . E. see Cox, B . M., Lott, G. K., Thomas, J . E. & Wilkinson, I . P.
THORNBURY, B. M. see Mitchell, M., Strank, A. R . E., Thornbury, B. M. & Sevastopulo, G. D.
WALKDEN, G. M., FRASER, N. C. & MuiR, J .
A new specimen of Steneosaurus (Mesosuchia, Crocodilia) from the Toarcian of the Yorkshire coast . 279 iii
PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY
CONTENTS OF VOLUME 46 (continued)
page
WEBB, B. C. see Soper, N. J., Webb, B. C. & Woodcock, N. H.
WEBB, P. C. see Pharaoh, T. C , Merriman, R. J., Webb, P. C. & Beckinsale, R. D.
WOODCOCK, N. H. see Soper, N. J., Webb, B. C. & Woodcock, N. H.
WHYTE, M. A. see Romano, M. & Whyte, M. A.
WlGNALL, P. B. A biofacies analysis of the Gastrioceras cumbriense Marine Band (Namurian) of the central Pennines . I l l WILKINSON, I. P. see Cox, B . M . , Lott, G. K., Thomas, J. E. & Wilkinson, I. P.
WILKINSON, I. P. see Lott, G. K., Fletcher, B . N. & Wilkinson, I. P.
WILLIAMSON, I. T. see Pattison, J. & Williamson, I. T.
YOUNG, B . , BRIDGES, T. F. & INESON, P. R .
Supergene cadmium mineralisation in the Northern Pennine Orefield 2 7 5
YOUNG, B . , FORTEY, N. J. & NANCARROW, P. H. A.
An occurrence of tungsten mineralisation in the Eskdale Intrusion, west Cumbria 1 5
FIELD MEETING REPORT 1984-1985 170
FIELD MEETING REPORT 1 9 8 6 2 8 9
MEDAL PRESENTATIONS 8 2
OBITUARIES 1 7 3 , 2 8 9
SOCIETY ACTIVITIES 1985 8 3
SOCIETY ACTIVITIES 1986 3 8 1
INDEX FOR VOLUME 4 6 3 8 2 - 3 8 5
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